232440000020 has 48 divisors (see below), whose sum is σ = 493323097680. Its totient is φ = 91986345984.

The previous prime is 232439999993. The next prime is 232440000049. The reversal of 232440000020 is 20000044232.

It can be written as a sum of positive squares in 8 ways, for example, as 73582084 + 232366417936 = 8578^2 + 482044^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6206792 + ... + 6244128.

It is an arithmetic number, because the mean of its divisors is an integer number (10277564535).

Almost surely, 2^232440000020 is an apocalyptic number.

232440000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232440000020 is an abundant number, since it is smaller than the sum of its proper divisors (260883097660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232440000020 is a wasteful number, since it uses less digits than its factorization.

232440000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40652 (or 40650 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 232440000020 its reverse (20000044232), we get a palindrome (252440044252).

The spelling of 232440000020 in words is "two hundred thirty-two billion, four hundred forty million, twenty", and thus it is an aban number.